python fork and skip finally blocks

python-fork-skip-finally.py

import os
try:
  child_pid = os.fork()
  if child_pid == 0:
    # finally block runs twice
    #exit(1)

    # finally block runs once on exception
    #try:
    #  raise Exception('bang!')
    #except:
    #  os._exit(1)
    
    # finally block runs once
    os._exit(0)
  else:
    pid, exit_code = os.waitpid(child_pid, 0)
    print("exit: {}".format(exit_code))
except Exception as e:
  print("{}: except".format(child_pid))
  print(e)
finally:
  print("{}: finally".format(child_pid))
print("{}: end".format(child_pid))